Ecology of Grapsus grapsus
 
Main Ref. Fischer, W., G. Bianchi and W.B. Scott (eds.), 1981
Remarks Inhabits rocks near water line and is very active on land, taking refuge in the sea when threatened (Ref. 435). Supralittoral to intertidal (Ref. 104055). Abundant in splash zones (Ref. 105697). On rubbles (Ref. 106471). Feeds on cirripedes, mytilids, and porcelain crabs; occasionally acts as a scavenger. Also preys upon sea turtles and on the lookout for marine birds nest (Ref. 106452). Herbivorous (Ref. 106455).

Aquatic zones / Water bodies

Marine - Neritic Marine - Oceanic Brackishwater Freshwater
Marine zones / Brackish and freshwater bodies
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Grapsus grapsus may be found.

Habitat

Substrate Benthic: mobile; Hard Bottom: rocky; rubble;
Substrate Ref. Gianuca, D. and C.M. Vooren, 2007
Special habitats
Special habitats Ref.

Associations

Ref. Fischer, W., G. Bianchi and W.B. Scott (eds.), 1981
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type plants/detritus+animals (troph. 2.2-2.79)
Feeding type Ref. Gianuca, D. and C.M. Vooren, 2007
Feeding habit variable
Feeding habit Ref. Gianuca, D. and C.M. Vooren, 2007

Trophic Level(s)

Estimation method original sample unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.96 0.31 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 9948)
(e.g. cnidaria)
Comments & Corrections
 
 
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